

<template>
    <div id="seller" ref="seller">
        <div class="seller-content">
            <div class="overView">
                <h1 class="title">{{seller.name}}</h1>
                <div class="desc">
                    <star :size="36" :score="seller.score"></star>
                    <span class="text">({{seller.ratingCount}})</span>
                    <span class="text">月售{{seller.sellCount}}单</span>
                </div>
                <ul class="remark">
                    <li class="block">
                        <h2 class="title">起送价</h2>
                        <div class="content">
                            <span class="stress">{{seller.minPrice}}</span>元
                        </div>
                    </li>
                    <li class="block">
                        <h2 class="title">商家配送</h2>
                        <div class="content">
                            <span class="stress">{{seller.deliveryPrice}}</span>元
                        </div>
                    </li>
                    <li class="block">
                        <h2 class="title">平均配送时间</h2>
                        <div class="content">
                            <span class="stress">{{seller.deliveryTime}}</span>分钟
                        </div>
                    </li>
                </ul>
                <div class="favorite" @click="toggleFavorite">
                    <span class="icon-favorite" :class="{'active': favorite === true}"></span>
                    <span class="text">{{favoriteText}}</span>
                </div>
            </div>
            <split></split>
            <div class="notice">
                <h1 class="title">公告与活动</h1>
                <p class="info">{{seller.bulletin}}</p>
                <ul class="supports" v-if="seller.supports">
                    <li class="support" v-for="item in seller.supports">
                        <span class="icon" :class="classMap[item.type]"></span>
                        <span class="text">{{item.description}}</span>
                    </li>
                </ul>
            </div>
            <split></split>
            <div class="pics">
                <h1 class="title">商家实景</h1>
                <div class="pics-wrapper" ref="picsWrapper">
                    <ul class="pics-list" ref="picsList">
                        <li class="pics-item" v-for="item in seller.pics">
                            <img :src="item" alt="" width="120" height="90">
                        </li>
                    </ul>
                </div>
            </div>
            <split></split>
            <div class="info">
                <h1 class="title">商家信息</h1>
                <ul>
                    <li class="info-item" v-for="info in seller.infos">{{info}}</li>
                </ul>
            </div>
        </div>
    </div>
</template>



<script>

import BScroll from 'better-scroll';
import Split from 'components/split/split.vue';
import Star from 'components/star/star.vue';
import {saveToLocal,loadFromLocal} from 'common/js/store.js';

export default {
    props: {
        seller: {
            type: Object,
            default(){
                return {}
            }
        }
    },
    data(){
        return {
            classMap: [],
            favorite: (() => {
                return loadFromLocal(this.seller.id,'favorite',false);    //点击收藏的时候读取该商家的ID
            })()
        }
    },
    computed: {
        favoriteText(){
            return this.favorite ? '已收藏' : '收藏';
        }
    },
    created(){   //组件实例创建完成，属性已绑定，但DOM还未生成，$refs属性还不存在
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
    },
    mounted(){   //模板编译/挂载之后
        this.$nextTick(() => {
            this._initScroll();
            this._initPics();
        });
    },
    watch: {  //监听数据的变化
        seller(){    //当seller数据加载成功之后
            this.$nextTick(() => {
                this._initScroll();
                this._initPics();
            });
        }
    },
    methods: {
        _initScroll(){
            if(!this.scroll){
                this.scroll = new BScroll(this.$refs.seller, {
                    click: true
                });
            }else{
                this.scroll.refresh();
            }
        },
        _initPics(){
            if(this.seller.pics){
                let picWidth = 120;
                let margin = 6;
                let len = this.seller.pics.length;
                let width = (picWidth + margin)*len - margin;
                this.$refs.picsList.style.width = `${width}px`;
                this.$nextTick(() => {
                    if(!this.picScroll){
                        this.picScroll = new BScroll(this.$refs.picsWrapper,{
                            scrollX: true,
                            eventPassthrough: 'vertical'  //X轴滚动的时候禁止Y轴滚动
                        });
                    }else{
                        this.picScroll.refresh();
                    }
                });
            }
        },
        toggleFavorite(event){
            if(!event._constructed){
                return;
            }
            this.favorite = !this.favorite;
            saveToLocal(this.seller.id,'favorite',this.favorite);   //点击收藏的时候存储该商家的ID
        }
    },
    components: {
        'split': Split,
        'star': Star
    }
}

</script>




<style scoped lang="stylus" rel="stylesheet/stylus">

    @import '~common/stylus/mixin.stylus';

    #seller{
        position: absolute;
        top: 174px;
        bottom: 0;
        left: 0;
        width: 100%;
        overflow: hidden;
        .seller-content{
            .overView{
                padding: 18px;
                position: relative;
                .title{
                    line-height: 14px;
                    font-size: 14px;
                    color: rgb(7,17,27);
                    margin-bottom: 8px;
                }
                .desc{
                    font-size: 0;
                    padding-bottom: 10px;
                    line-height: 18px;
                    border-bottom: 1px solid rgba(7,17,27,0.1);
                    .star{
                        display: inline-block;
                        margin-right: 8px;
                        vertical-align: top;
                    }
                    .text{
                        display: inline-block;
                        font-size: 10px;
                        margin-right: 12px;
                        color: rgb(77,85,93);
                        vertical-align: top;
                    }
                }
                .remark{
                    display: flex;
                    padding-top: 18px;
                    .block{
                        flex: 1;
                        text-align: center;
                        border-right: 1px solid rgba(7,17,27,0.2);
                        &:last-child{
                            border-right: none;
                        }
                        .title{
                            font-size: 10px;
                            line-height: 10px;
                            color: rgb(147,153,159);
                            margin-bottom: 4px;
                            font-weight: normal;
                        }
                        .content{
                            font-size: 10px;
                            color: rgb(7,17,27);
                            line-height: 24px;
                            .stress{
                                font-size: 24px;
                            }
                        }
                    }
                }
                .favorite{
                    position: absolute;
                    right: 11px;
                    top: 18px;
                    width: 50px;
                    text-align: center;
                    .icon-favorite{
                        display: block;
                        margin-bottom: 4px;
                        font-size: 24px;
                        color: #d4d6d9;
                        &.active{
                            color: red;
                        }
                    }
                    .text{
                        font-size: 10px;
                        color: rgb(77,85,93);
                    }
                }
            }
            .notice{
                padding: 18px 18px 0 18px;
                .title{
                    font-size: 14px;
                    line-height: 14px;
                    color: rgb(7,17,27);
                    margin-bottom: 8px;
                }
                .info{
                    padding: 0 12px 12px 12px;
                    font-size: 12px;
                    line-height: 24px;
                    color: rgb(240,20,20);
                    border-bottom: 1px solid rgba(7,17,27,0.1);
                }
                .supports{
                    .support{
                        padding: 16px 12px;
                        font-size: 0;
                        border-bottom: 1px solid rgba(7,17,27,0.1);
                        &:last-child{
                            border-bottom: none;
                        }
                        .icon{
                            display: inline-block;
                            vertical-align: top;
                            width: 16px;
                            height: 16px;
                            margin-right: 6px;
                            background-size: 100%;
                            background-repeat: no-repeat;
                            &.decrease{
                                bg-image('decrease_4');
                            }
                            &.discount{
                                bg-image('discount_4');
                            }
                            &.special{
                                bg-image('special_4');
                            }
                            &.invoice{
                                bg-image('invoice_4');
                            }
                            &.guarantee{
                                bg-image('guarantee_4');
                            }
                        }
                        .text{
                            line-height: 16px;
                            font-size: 12px;
                            color: rgb(7,17,27s);
                        }
                    }
                }
            }
            .pics{
                padding: 18px;
                .title{
                    font-size: 14px;
                    line-height: 14px;
                    color: rgb(7,17,27);
                    margin-bottom: 12px;
                }
                .pics-wrapper{
                    width: 100%;
                    overflow: hidden;
                    white-space: nowrap;
                    .pics-list{
                        font-size: 0;
                        .pics-item{
                            display: inline-block;
                            width: 120px;
                            height: 90px;
                            margin-right: 6px;
                            &:last-child{
                                margin-right: 0;
                            }
                        }
                    }
                }
            }
            .info{
                padding: 18px;
                .title{
                    font-size: 14px;
                    line-height: 14px;
                    color: rgb(7,17,27);
                    padding-bottom: 12px;
                    border-bottom: 1px solid rgba(7,17,27,0.1);
                }
                .info-item{
                    border-bottom: 1px solid rgba(7,17,27,0.1);
                    padding: 16px 12px;
                    font-size: 12px;
                    line-height: 16px;
                    color: rgb(7,17,27);
                    &:last-child{
                        border-bottom: none;
                    }
                }
            }
        }
    }

</style>




